F2AF Metadata-Hiding F2FS Corpus
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Description:This dataset contains 62 synthetic F2FS disk images for research on metadata-level data hiding and forensic detection. The collection includes 4 clean and 58 systematically modified images, each accompanied by scenario metadata, provenance records, validation schemas, and checksums. The modified images target six F2FS metadata regions: NAT (Node Address Table) null-entry fields Inactive checkpoint-pack bytes SIT (Segment Information Table) tail padding Unused orphan-inode slots Unused inode-node address entries Low-validity main-area segments All images were generated using mkfs.f2fs version 1.16.0 on Linux in a secure laboratory environment. No real user data or confidential information is present. Key Features: Enables reproducible and transparent evaluation of metadata hiding and detection methods Provide authorized laboratory environment and traceability for each image Safe and ethically designed: contains no sensitive or user data
